Weather History for St. Louis, MO

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Wednesday, January 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 24 °F 32 °F  
Max Temperature 33 °F 40 °F 72 °F (1997)
Min Temperature 15 °F 24 °F -9 °F (1879)
Degree Days  
Heating Degree Days 41 33  
Month to date heating degree days 82 66  
Since 1 July heating degree days 1681 1831  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 58    
Maximum Humidity 80    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.09 in 1.11 in (1907)
Month to date precipitation T 0.18  
Year to date precipitation T 0.18  
Snow  
Snow 0.00 in 0.20 in 8.20 in (1996)
Month to date snowfall 0.1 0.4  
Since 1 July snowfall 2.2 5.5  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.28 in    
Wind  
Wind Speed 3 mph (SSW)    
Max Wind Speed 9 mph    
Max Gust Speed 15 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 02, 2013 Rise Set
Actual Time 7:19 AM CST 4:51 PM CST
Civil Twilight 6:50 AM CST 5:21 PM CST
Nautical Twilight 6:16 AM CST 5:54 PM CST
Astronomical Twilight 5:44 AM CST 6:27 PM CST
Moon 10:20 PM CST (1/2) 10:05 AM CST (1/2)
Length of Visible Light 10h 31m
Length of Day
9h 31m
Waning Gibbous, 75% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 17.1 °F 11.7 °F 10.0 °F 74% 30.31 in 8.0 mi West 3.5 mph - N/A   Scattered Clouds
1:51 AM 17.1 °F - 9.0 °F 71% 30.30 in 9.0 mi Calm Calm - N/A   Partly Cloudy
2:51 AM 16.0 °F - 10.0 °F 77% 30.32 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
3:51 AM 16.0 °F - 10.0 °F 77% 30.30 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
4:51 AM 15.1 °F 9.4 °F 9.0 °F 77% 30.30 in 7.0 mi West 3.5 mph - N/A   Scattered Clouds
5:51 AM 16.0 °F 8.8 °F 10.0 °F 77% 30.32 in 7.0 mi SW 4.6 mph - N/A   Scattered Clouds
6:51 AM 16.0 °F - 10.0 °F 77% 30.32 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
7:51 AM 16.0 °F - 10.0 °F 77% 30.33 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 19.0 °F 13.9 °F 10.0 °F 68% 30.33 in 6.0 mi SW 3.5 mph - N/A   Haze
9:51 AM 23.0 °F - 10.0 °F 58% 30.32 in 8.0 mi Calm Calm - N/A   Scattered Clouds
10:51 AM 25.0 °F 20.7 °F 10.0 °F 53% 30.31 in 9.0 mi SW 3.5 mph - N/A   Mostly Cloudy
11:51 AM 27.0 °F 23.0 °F 9.0 °F 47% 30.28 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
12:51 PM 30.0 °F - 10.0 °F 43% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 PM 30.9 °F 26.2 °F 10.0 °F 42% 30.24 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
2:51 PM 33.1 °F 28.7 °F 9.0 °F 37% 30.25 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
3:51 PM 33.1 °F 26.9 °F 9.0 °F 37% 30.25 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
4:51 PM 30.0 °F 23.2 °F 15.1 °F 54% 30.25 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
5:51 PM 28.9 °F 22.8 °F 14.0 °F 54% 30.25 in 9.0 mi SSE 5.8 mph - N/A   Scattered Clouds
6:51 PM 28.0 °F 22.8 °F 16.0 °F 61% 30.27 in 9.0 mi South 4.6 mph - N/A   Partly Cloudy
7:51 PM 27.0 °F 20.5 °F 14.0 °F 58% 30.27 in 10.0 mi South 5.8 mph - N/A   Clear
8:51 PM 26.1 °F 21.9 °F 14.0 °F 60% 30.26 in 10.0 mi South 3.5 mph - N/A   Clear
9:51 PM 25.0 °F 20.7 °F 14.0 °F 63% 30.27 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:51 PM 25.0 °F - 15.1 °F 66% 30.27 in 10.0 mi Calm Calm - N/A   Clear
11:51 PM 24.1 °F 18.2 °F 16.0 °F 71% 30.26 in 10.0 mi WSW 4.6 mph - N/A   Clear